CVE-2026-15047: s2Member < 260805 - Contributor+ Stored XSS via Shortcode

Published Aug 10, 2026
·
Updated

The s2Member WordPress plugin before 260805 does not escape several shortcode attributes before outputting them inside an inline script context, allowing users with contributor-level access to inject arbitrary JavaScript that executes when a viewer opens the post (stored XSS).

Affected Software

1 affected component
WordPress plugin s2Member<260805

Event History

Aug 10, 2026
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
DescriptionWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-15047?

CVE-2026-15047 has a risk rating of 43, indicating a substantial security vulnerability.

2

How do I fix CVE-2026-15047?

To fix CVE-2026-15047, you should update the s2Member plugin to version 260805 or later.

3

What types of attacks does CVE-2026-15047 facilitate?

CVE-2026-15047 enables stored cross-site scripting (XSS) attacks by allowing contributor-level users to inject JavaScript.

4

Who is affected by CVE-2026-15047?

Any WordPress site using the s2Member plugin version before 260805 is vulnerable to CVE-2026-15047.

5

What are the consequences of exploiting CVE-2026-15047?

Exploiting CVE-2026-15047 can result in unauthorized JavaScript execution, potentially compromising user data and site integrity.

Company

Resources

Contact

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CVE-2026-15047 - s2Member < 260805 - Contributor+ Stored XSS via Shortcode - SecAlerts